import json, os, sys, urllib.request, urllib.parse, urllib.error

GRAPHQL = "/web/api/v2.1/unifiedalerts/graphql"

MUTATION = """
mutation TriggerActions($actions: [TriggerActionInput!]!, $filter: OrFilterSelectionInput) {
  alertTriggerActions(actions: $actions, filter: $filter) {
    ... on ActionsTriggered {
      actions { actionId alertCount
        success { id }
        failure { id errorMessage errorType } }
    }
  }
}
"""


def _cfg():
    s = json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
    base = str(s.get("url") or "").rstrip("/")
    headers = {"Authorization": "ApiToken " + s.get("api_token", ""), "Content-Type": "application/json", "Accept": "application/json"}
    return base, headers


def _inputs():
    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))


def _graphql(query, variables):
    base, headers = _cfg()
    data = json.dumps({"query": query, "variables": variables}).encode("utf-8")
    req = urllib.request.Request(base + GRAPHQL, data=data, headers=headers, method="POST")
    with urllib.request.urlopen(req, timeout=90) as r:
        raw = r.read()
        resp = json.loads(raw) if raw else {}
    if resp.get("errors"):
        raise RuntimeError("GraphQL: " + "; ".join(e.get("message", str(e)) for e in resp["errors"]))
    return resp


def run():
    inp = _inputs()
    alert_id = inp.get("alert_id", "")
    actions = []
    if inp.get("status"):
        actions.append({"id": "update-status-" + alert_id, "payload": {"status": {"value": inp["status"]}}})
    if inp.get("analyst_verdict"):
        actions.append({"id": "update-verdict-" + alert_id, "payload": {"analystVerdict": {"value": inp["analyst_verdict"]}}})
    if inp.get("assignee_user_id"):
        try:
            assignee = int(inp["assignee_user_id"])
        except Exception:
            assignee = inp["assignee_user_id"]
        actions.append({"id": "assign-user-" + alert_id, "payload": {"assignUser": {"value": assignee}}})
    if not actions:
        print(json.dumps({"error": "Nothing to update: provide status, analyst_verdict or assignee_user_id."}))
        sys.exit(1)
    filt = {"or": [{"and": [{"fieldId": "id", "stringEqual": {"value": alert_id}}]}]}
    resp = _graphql(MUTATION, {"actions": actions, "filter": filt})
    print(json.dumps({"updated": True, "alert_id": alert_id, "result": resp.get("data", {})}))


try:
    run()
except urllib.error.HTTPError as e:
    print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
    sys.exit(1)
except Exception as e:
    print(json.dumps({"error": str(e)}))
    sys.exit(1)